| Acronym | Meaning |
| LSDF | Local Spin Density Functional |
| FRP | Fiberglass Reinforced Plastic |
| HHMI | Howard Hughes Medical Institute |
| IRF | Interferon Regulatory Factor |
| XIAES | X-ray Induced Auger Emission Spectroscopy |
| LTDU | Land Treatment Demonstration Unit |
| EASE | Electronic Absorption Spectroscopy Experiments |
| GCS | Geo-Common Subsystem (subsystem Of AIRS) |
| VPM | Variable Phase Method (for Electron-atom Scattering Calcns.) |
| CNDO/2-FA | Complete Neglect Of Differential Overlap First Approxn. |